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421.
公开(公告)号:US20230269574A1
公开(公告)日:2023-08-24
申请号:US18105378
申请日:2023-02-03
Inventor: Jeoung Lak HA , Yoo Hwa KANG , Changki KIM , Taesik CHEUNG
Abstract: Provided is an operation method of a user plane function (UPF) in a wireless communication system, the operation method including: obtaining a subscription request message from a network function (NF), the subscription request message including a first identifier; and providing the NF with a subscription response message corresponding to the subscription request message, the subscription response message including a second identifier, wherein the first identifier includes upSeId or a user session identifier that is a session identifier for a user terminal, or both, and the second identifier includes cpSeId or the user session identifier or both.
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公开(公告)号:US20230269002A1
公开(公告)日:2023-08-24
申请号:US18106640
申请日:2023-02-07
Inventor: Sang Rok MOON , Eon-sang KIM , Minkyu SUNG , Seung-Hyun CHO
IPC: H04B10/516 , H04B10/079 , H04Q11/00
CPC classification number: H04B10/516 , H04B10/07955 , H04Q11/0005 , H04Q11/0062 , H04Q2011/0009
Abstract: An apparatus and method for maintaining a wavelength interval of light sources are disclosed. The apparatus for maintaining a wavelength interval of light sources includes: a plurality of light sources configured to output light having different wavelengths and having a certain wavelength interval; a light reception unit configured to receive an optical signal in which at least some of the output light of each of the plurality of light sources is combined and output an electrical signal including a frequency component corresponding to the certain wavelength interval; and a controller configured to detect the frequency component corresponding to the certain wavelength interval from the electrical signal and control a wavelength of each of the plurality of light sources to maintain the certain wavelength interval based on the detected frequency component.
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423.
公开(公告)号:US20230267842A1
公开(公告)日:2023-08-24
申请号:US17869024
申请日:2022-07-20
Inventor: Ui Hwan CHOI
CPC classification number: G08G5/0034 , B64C39/024 , H04B7/18504 , B64C2201/122 , B64C2201/123
Abstract: Disclosed are a method and a system for optimization of mission planning of a multi-UAV network for data collection and communication relay, which can perform optimization of an operation concept for an ad-hoc network based collaboration data collection mission, optimization of flight paths and data collection order of data collection UAVs, flight paths of communication relay UAVs, dynamic communication network topology, and optimization of high-capacity data transmission/reception bitrate scheduling.
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公开(公告)号:US11736696B2
公开(公告)日:2023-08-22
申请号:US17565968
申请日:2021-12-30
Inventor: Sung Chang Lim , Hui Yong Kim , Jin Ho Lee , Jin Soo Choi , Jin Woong Kim
IPC: H04N19/126 , H04N19/159 , H04N19/61 , H04N19/196 , H04N19/70 , H04N19/50 , H04N19/463 , H04N19/176
CPC classification number: H04N19/126 , H04N19/159 , H04N19/196 , H04N19/198 , H04N19/463 , H04N19/50 , H04N19/61 , H04N19/70 , H04N19/176
Abstract: The present invention relates to a method for encoding and decoding a quantized matrix and an apparatus using same, the method for encoding a quantized matrix according to the present invention comprising the steps of: determining a quantization matrix to be used for quantization and quantizing; determining the prediction method used for the quantization of the quantization matrix; and encoding quantization matrix information on the basis of the determined prediction method, wherein the prediction method can be either a prediction method between coefficients in the quantization matrix or a duplicate of the quantization matrix.
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公开(公告)号:US11736280B2
公开(公告)日:2023-08-22
申请号:US16887170
申请日:2020-05-29
Inventor: Changho Hong , Nayoung Kim , Osung Kwon , Younchang Jeong , Se Wan Ji , Eun Ji Kim , Seok Kim , Jingak Jang , Daesung Kwon
CPC classification number: H04L9/0852 , H04B10/70 , H04L9/0819
Abstract: A quantum entity authentication apparatus and method. The quantum entity authentication apparatus includes a quantum state preparation unit for preparing an authentication quantum state that is generated based on an authentication key previously shared with an entity, a quantum channel verification unit for transmitting a quantum state, generated by performing an operation using a prestored unique operator on the authentication quantum state, to a quantum measurement device, and for verifying security of a quantum channel by using a result of Bell measurement and the authentication quantum state, the result of Bell measurement being revealed by the quantum measurement device for the quantum state, and a quantum entity authentication unit for, when the security of the quantum channel is verified, authenticating the entity using the result of the Bell measurement and the unique operator.
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公开(公告)号:US11734792B2
公开(公告)日:2023-08-22
申请号:US17350904
申请日:2021-06-17
Inventor: Joung Il Yun , Sang Woon Kwak
CPC classification number: G06T3/0093 , G06T3/4007 , G06T3/4038 , G06T5/005 , G06T5/50 , G06T15/205
Abstract: A video decoding method comprises warping different viewpoint images into a virtual viewpoint by using depth information of an input viewpoint; determining a first weight for the pixels based on quality and depth of pixels of the warped viewpoint images; determining a second weight for the pixels based on a location relation between the pixels of the warped viewpoint images and the virtual viewpoint; determining a blending weight for the pixels based on the first weight and the second weight; blending the warped viewpoint images according to the blending weight; and synthesizing an image of the virtual viewpoint based on the blended viewpoint images.
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公开(公告)号:US20230261323A1
公开(公告)日:2023-08-17
申请号:US17900786
申请日:2022-08-31
Inventor: YOUNG SAM PARK , Ju Young Kim , Jinyoung Kim , Seok Hun Kang , Young-Gi Lee , Dong Ok Shin , Seokyoon Yoon , Jaecheol Choi
IPC: H01M50/457 , H01M50/417 , H01M50/434 , H01M50/403 , H01M50/489
CPC classification number: H01M50/457 , H01M50/417 , H01M50/434 , H01M50/403 , H01M50/489
Abstract: Provided is a secondary battery including: a first electrode structure; a second electrode structure spaced apart from the first electrode structure; a separator between the first electrode structure and the second electrode structure; and an electrolyte filled between the first electrode structure and the separator and between the second electrode structure and the separator, wherein the separator includes: a separator substrate; a polymer layer adsorbed on a surface of the separator substrate; and a ceramic layer on the polymer layer, the polymer layer including a polyethyloxazoline-based polymer, and the ceramic layer including an aqueous binder.
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公开(公告)号:US11729660B2
公开(公告)日:2023-08-15
申请号:US17398165
申请日:2021-08-10
Inventor: Changki Kim , Yoo Hwa Kang , Taesik Cheung
IPC: H04W28/02
CPC classification number: H04W28/0263 , H04W28/0205 , H04W28/0268
Abstract: A 5G system operating as a Time Sensitive Network (TSN) bridge and a traffic transmission method are provided. The traffic transmission method includes receiving, by a User Plane Function (UPF), a traffic transmission type information from a Session Management Function (SMF); determining, by the UPF, whether a Time Sensitive Communication (TSC) traffic incoming the TSN bridge is a UE-UE TSC traffic based on the traffic transmission type information; and when it is determined that the TSC traffic incoming the TSN bridge is the UE-UE TSC traffic, performing, by the UPF, local switching between Protocol Data Unit (PDU) sessions for transmitting UE-UE TSC traffic.
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公开(公告)号:US11729597B2
公开(公告)日:2023-08-15
申请号:US17534563
申请日:2021-11-24
Inventor: Seung Il Myong , Woo Sug Jung , Mi Suk Lee
CPC classification number: H04W4/90 , G06T19/003 , H04W4/38 , H04W4/80
Abstract: Provided is a digital twin disaster management system customized to keep safety for urban underground tunnels, including: a sensor sub-system configured to detect environmental information, status information and image information in the urban underground tunnels; a digital twin model management sub-system configured to create and update a virtual space corresponding to the urban underground tunnels using information provided from the sensor sub-system and 3D space, insert various types of attributes into the virtual space, detect tagging information, predict the spread of each disaster, and infer a degree of risk of a management facility; a disaster management sub-system having a control function of conducting centralized supervision by displaying information about components installed in the urban underground tunnels in the metaverse space and recording a situation; and a network sub-system configured to provide the virtual space to a user terminal of an external inspector.
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公开(公告)号:US11729380B2
公开(公告)日:2023-08-15
申请号:US17567632
申请日:2022-01-03
Inventor: Jin Ho Lee , Hui Yong Kim , Sung Chang Lim , Jin Soo Choi , Jin Woong Kim
IPC: H04N19/11 , H04N19/107 , H04N19/176 , H04N19/184 , H04N19/44 , H04N19/91
CPC classification number: H04N19/11 , H04N19/107 , H04N19/176 , H04N19/184 , H04N19/44 , H04N19/91
Abstract: An image decoding method, according to the present invention, includes the steps of: deriving an MPM candidate mode from neighboring blocks adjacent to a target block to be decoded; generating an MPM list using the MPM candidate mode derived from the neighboring blocks; and deriving an intra prediction mode for the target block to be decoded using the generated MPM list. According to the present invention, image compression efficiency can be improved.
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